Is it carbon dioxide buildup, sinus trouble, tension or decompression illness that's crunching your skull?

November 2001 By Jon Hardy Dive Computers Reviewed in This Article Aeris 500AI Aeris 750GT Oceanic DataMax Pro Oceanic DataMax Pro Plus Oceanic ...

Plus, chronic back pain and diving, kids and DCS, and finding a decent insect repellent. Other questions covered: When Is It Safe to Exercise After Diving? How Do I Keep Bugs From Biting Me? Did DCS Cause My Chronic Back Pain?

We rounded up 30 models to help you find the best possible view on the underwater world.

$160 or $1,600? Is a high-end model really better than a plain-jane one? The answer may surprise you.

The Best of 2004 & What's New for 2005.

In an area of the Pacific known as the heart of the world's marine biodiversity, one island group stands out for its jaw-dropping abundance of life.

Micronesia. The name alone is magic to divers' ears. But to the rest of the world, it's practically unknown. Here's why divers want to keep it that way.

These 10 hot spots in the cold Emerald Sea may be the best diving in North America.